Power control for spinning-machines.



P. 11. BATES.

POWER CONTROL FOR SPINNING MACHINES.

APPLIGATION FILED FEB.1, 1911.

1, 109, 1 95, I Patented-Sept.1,1914.

RRIS PETERS CO. PHO7U-LI "10.. WASHINDmN. D. C.

YFRANK EL BATES," O-F'WHITINSVILLE, MASSACHUSETTS, ASSIGNOR TO THE WI I ITIN MACHINE WORKSfOF SACHUSETTS'.

Specification of Letters Patent. Patented Application filed February 1, 1911. Serial No. 605,930.

WI-IITINSVILLE, MASSACHUSETTS, A CORPORATION. OF MAS- POWER CONTROL FOR SPINNING-MACHINES.

T0 allwhom it may concern Be it known that I, FRANKE. Burns, a citizen of the United States, residing. at .Whitinsville, Worcester countyfMassachusetts, have invented. certain new and useful Improvements in Power Control for Spinning-Machines, of which the following is a H p j 1 sufiicient CllStlIlCG to carry the fork and .The invention is an improvement 1n:

specification.

power-controlling devices for spinning, twisting or like machmes, the object belng to provide a simple and effective belt-ship per or power-controlling mechanism which.

will safely and reliably .maintain the power; on or off as desired, so that vibration or the tendency of the driving belt to creep from the loose to the fast pulley, or vice versa, will be reliably prevented, but whichv will nevertheless be capable of easy opera-f .tion by the attendant when such change s;

desired.

In the drawings forming part hereof, and;

comprising one sheet, Figure 1 is an end elevation of an ordinary spinning machine to which the invention is shown as applied, Fig- 2 is a side elevation of the end portion of such a machine with the lower deck-1 board of the creel in longitudinal section; Fig. 3 is an enlarged detail of the upright shipper shaft with'parts broken out and other parts shown in section; Fig. 4: 1s a modified form of the detent mechanism;

Figs. 5 and 6 are top plan and perspective views, respectively of the head flange which is provided with the upper detent mem- I'bers; Fig. 7 is a perspective view of the shipper shaft support upon which the lower. detent mechanism is provided; and Fig. 8

is a detail in horizontal section on line VIIIVIII of Fig. 3, of the shipper-shaft crank. 1. j v

The spinning machine shown, andas will be recognized by those familiar w1t h the subject, comprises the usual end frames 1- and longitudinal side beams 2 upon which the spindles, rollers and other operating case being a two-story creel, as shown in the drawings. j I

The power that drives the mach ne is 1m- .parted to it at one end by'a drivmg belt/l which is adapted to run on either thefast parts of themachineare carried, and also a.

top of the-shipper shaft 9, as by means of a set-screw, andextend cross-wise of the ma- Sept. 1, 1914-.

pulley 5.01 the loose pulley 6, according as to whetherit is desired to run or stop the machine, as will be well understood. The pos tion of "the'belt is controlled by the belt-fork'T, carried on the end of a shipper red 8, whichis appropriately mounted in bearings so that it can slide lengthwise a belt from one wheel to the other/ The shlpper rod 1s most conveniently disposed beneath the lower deck-board of the creel as indicated in Fig. 2 except where it inter-- I sects the' end frame 1 and extends substantially from one end "of the machine to the 1 movement is preferably limited to an] extent suff cient for this purpose, The means for moving the shipper rodin this manner comprises an upright rock-shaft 9 ournaled 'in the creel superstructure and carrying,

preferably at its upper end, a pair of lever handles 10, by which it may be rotated on its vertical axis. The handles have a common hub which is securely fastened to the chine, overhanging the creel-boards and then dropped or depressed, asshown in Fig.

1, so thattheywill be out of theway and I yet be readily reached I from either side -of the machine.

flange or shoulder-forming member 11 which may either be-formed integrally with the hub of the hand-levers, as shown 'at'll? in Figst, or as a separate part attached thereto or to the shaft,; as shown in Fig.

In the latter form,which is preferred;

in thepresent instance, because most readily. adaptable to existing machines, the bot tom of the hub of the handle lever is slotted and the ,fiangemember 11 is formed with 'keyszl2 on its upper side (Fig. 5), corre- The vertical shipper shaft also carries a laterally projecting head spending to the slots and adapted to interlock with the hubso that both will turn tof iThe journal means of the rock-shaft (is provided by a vertical tube 13, which is simply a section of piping used as an intermediate support for the decks of the creel. There may be several of these tubular supports along the lengthof the machine for the same purpose, and one or all of them may form also the supportfor a rock-shaft such as 9., Each pipe is threaded and provided with nuts 14 which clamp opposite sides of the lower creel-board, thereby producing a rigid form of mounting. T he top of the supporting tube carries a cross-head or collar 15 fastened to it by means of a setscrew and occupying a position immediately beneath the head flange 11, of the handle lever hub and adapted to support the latter and the verticalshaft 9, and between these two parts a pair of complementary detent members is provided. In the specific instance taken for illustration, these detent members comprise one or more cavities 16 in the head-flange 11 and a round-headed removable stud 17 placed in one of the recesses in the cross-head or collar 15, the stud being adapted to enter the cavities when in registry therewith, and the arrangement of these members i such that the rotation of the shaft 9 is yieldingly prevented by the mutual engagement of the stud .and one of the cavities, until suflicient force is brought to bear to cause the'cavity to ride over the obstruction formed by the top of the stud.

This action is necessarily accompanied by vertical movement of the rock-shaft in its supporting bearings, and considerable force a vertical stud 19 carried by a lateral arm 20 adjustably secured to the shipper-rod 8, above referred to, so thatwhen the shaft is rotated the shipper rod 8 will be correspondingl shifted in its longitudinal bearings. The length of the stud .19, which is carried by the shipper rod, is sufficient to accommodate the vertical movement of the rockshaft and crank-arm thereon, and such movement is limited by a cross-pin 21 and washer 22 to confine the arm upon the stud and prevent accidental disengagement, but

it is within this invention to connect the shipper shaft to the shipper rod without suchprovision for movement and to. rely on the flexibility of the rod to accommodate and limit the vertical movement of the shipper shaft. Between the bottom of the tubular support 13 and the hub of the crank 18, as connected in the case illustrated, a spring 23 is interposed to force. the rock-shaft downwardly and thereby supplement the effect of gravity in urging the detent members toward each other. A very effective en gagement between these members is thus provided without increasing-the depth of penetration of the detent stud into its registering cavity or the shape or slope of the walls of. the edges of the latter.

The head flange 11 preferably contains a plurality of cavitie 16, as shown in Fig. 5. which adapt it for use on machines driven by belts of different widths, and also provides for intermediate positions of the power control, such as slow or half speed; but it will be understood that two of these cavities will ordinarily be sufficient to define positive off and 011 positions 'of the belt fork. The support 15 also has two recesses for accommodating the detent'stud 17, and the latter maybe placed in either one of these recesses, as desired, to be changed from one to the other when required, as, for instance, when a portion of the under surface of the head-flange'has become worn by the friction of continual movement over the stud.

It will be obvious from the description above given that when the power has been turned off by the operation of the handle levers, it will be safely maintained off against all ordinary influences which might throw it on, such, for instance,"as a creeping beltor vibration or accidental contact with the shipper fork (in cases where the power is controlled by the shippingof a belt), and

similarly, when the'power has been turned direction which will facilitate the disengage. ment of the detents while yet permitting and safe.

I claim their normal engagementto be very positive 1. In a power-driven machine, a vertical rock-shaft, a handle thereon, a power-controlling device connected with the rock-shaft and movable in one direction or the other to throw the power on or of according to the direction in which the shaft is turned, in.

combination with a flange on said rockshaft, a fixed collar beneath said flange, and a detent operatlve'between said fiangeand collar to hold the rock-shaft in determinate on and off positions and adaptedto cam the flange and shaft upward against the force of gravity when force is applied to the handle to rotate the shaft.

. 2. Power-controlling mechanism compris ing the combination of a support, a vertical rock-shaft journaled therein and pro- 1,109,195 i y Q vided with a handle, a power-controlling deengage said cavities with its rounded head 10 vice connected with said rock-shaft, a flange according as the shaft'is turned.

on the said shaft, a fixed collar on the sup- In testimony whereof, I have signed this port immediately beneath said flange, the specification in the presence of two witnesses. tw0 last-recited elements being provided in F N E. BATES. their meeting faces, one with a plurality of recesses and the other with a series of round- Witnesses:

ed cavities, and a rounded head stud adapted ROBERT L. METGALF,

to be seated in any of said recesses and to OSCAR L. OWEN.

Copies of this patent may be obtained for five cents each, by addressing the Gommissionerof Patents,

1 Washington, 1). G. 

